Bug 34887: Remove Test::DBIx::Class from Patron.t

Bug 34887: Remove Test::DBIx::Class from Patron.t

Moving all tests into one subtest with two underlying
subtests for checking accessors after new or set.
This will make it more easy to merge with the db
dependent counterpart.

Test plan:
Run t/Patron.t

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit a432dda3f4fc42c47e2ca7e2c68c2206dd5e2b5f)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
(cherry picked from commit 90e990a3ebc4b90184b5b0e82468f6fc4521fc27)
Signed-off-by: Matt Blenkinsop <matt.blenkinsop@ptfs-europe.com>